With Actuator For Tilting In A Vertical Plane Patents (Class 172/384)
  • Patent number: 4189009
    Abstract: A wheel mounted earth moving scraper for towing behind a tractor or the like. The scraper mounted on a wheel axle. The scraper characterized by a scraper housing attached to a pivot axle which is pivotally attached to the wheel axle for pivoting the scraper housing transverse to the direction of travel of the scraper so that as the wheels mounted on the wheel axle travel on the ground surface, the scraper housing may be tilted independently of the wheels for levelling, grading, terracing, removing dirt build-up from buildings, tree rows and fences, and digging ditches.
    Type: Grant
    Filed: March 15, 1978
    Date of Patent: February 19, 1980
    Inventor: Rafael J. Welch